No.

items

unit

parameter

G.652D

1

Mode field diameter

1310nm

μm

9.2±0.4

1550nm

μm

10.4±0.5

2

Cladding diameter

μm

124.8±0.7

3

non-circularity of cladding

%

≤0.7

4

Core / cladding
concentric error

μm

≤0.5

5

Coating diameter

μm

245±5

6

Coating layer
ellipticity

%

≤6.0

7

Cladding / coating
layer with concentric error

μm

≤12.0

8

Fiber optic cable
cutoff wavelength

nm

λ_cc≤1260

9

Attenuation
coefficient (max.)

1310nm

dB/km

≤0.36

1550nm

dB/km

≤0.25

items

index

Fiber core number

144

Colored coated fiber

Outside diameter

250±15μm

Color

blue, orange, green, brown,

grey, origin, red, black,

yellow, purple, pink, dark green

Loose tube

Outside diameter

1.95mm±0.05mm

Material

PBT

Color

Red, green, origin, origin,

origin, origin, origin, origin,

origin, origin, origin, origin

Central reinforcing element

Outside diameter

2.5mm

Material

Steel wire

Cushion

Outside diameter

5.7mm±0.2mm

Material

PE

Color

black

Inner sheath

Outside diameter

12.7mm±0.5mm

Material

PE

Color

black

Outer sheath

Outside diameter

17.5mm±0.5mm

Material

PE

Color

black

items

units

Parameter values

Stretch (Long-term)

N

1000

Stretch (Short-term)

N

3000

Squash (Long-term)

N/10cm

1000

Squash (Short-term)

N/10cm

3000

Minimum bending radius (Dynamic)

mm

25D

Minimum bending radius (Static)

mm

12.5D

Installation temperature

℃

–20～+60

Working temperature

℃

–40～+70

Storage temperature

℃

–40～+70